Form 4 Tracker
Eos Energy Enterprises, Inc.
EOSE

60 insider filings · Latest: Sep 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Dec 8, 2025Dec 8 11:04 PMRuss Stidolph
Proposed Sale
296,439$14.88$4.4M—

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Dec 8, 2025Dec 8 10:58 PMStidolph Russell Monoki
Proposed Sale
29,999$14.99$449.7K—

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Dec 5, 2025Dec 5 11:18 PMBornstein Jeffrey S
Proposed Sale
8,000$14.99$119.9K—

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Dec 5, 2025Dec 5 11:11 PMStidolph Russell Monoki
Proposed Sale
500,000$14.99$7.5M—

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Dec 5, 2025Dec 5 10:49 PMAlex Dimitrief
Proposed Sale
17,704$15.03$266.1K—

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Dec 5, 2025Dec 5 10:35 PMJeff Bornstein
Proposed Sale
32,328$15.05$486.4K—

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Dec 4, 2025Dec 4 10:10 PMMarian Walters
Proposed Sale
66,933$15.75$1.1M—

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Sep 8, 2025Sep 8 8:13 PMPuri Sumeet
Proposed Sale
40,501$7.11$288.1K—

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Sep 3, 2025Sep 3 8:17 PMMarian Walters
Proposed Sale
50,000$7.90$395.1K—

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Aug 6, 2025Aug 6 10:34 PMEric Javidi
Proposed Sale
324,504$6.50$2.1M—

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Jul 29, 2025Jul 29 8:22 PMKroeker Nathan
Proposed Sale
99,375$5.94$590.0K—

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Jul 29, 2025Jul 29 8:13 PMPuri Sumeet
Proposed Sale
17,500$5.94$103.9K—

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Jul 29, 2025Jul 29 8:10 PMMastrangelo Joe
Proposed Sale
166,667$6.29$1.0M—

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Jul 29, 2025Jul 29 8:06 PMSilberman Michael W
Proposed Sale
65,625$6.29$412.8K—

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Jul 8, 2025Jul 8 8:06 PMMastrangelo Joe
Proposed Sale
127,152$5.15$654.8K—

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Jul 8, 2025Jul 8 8:03 PMKroeker Nathan
Proposed Sale
47,254$5.15$243.4K—

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Jul 7, 2025Jul 7 8:07 PMKroeker Nathan
Proposed Sale
24,124$5.21$125.6K—

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May 16, 2025May 16 10:38 PMMichael Silberman
Proposed Sale
100,943$10.39$1.0M—

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May 16, 2025May 16 10:21 PMSumeet Puri
Proposed Sale
36,173$6.86$248.1K—

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May 16, 2025May 16 10:00 PMNathan Kroeker
Proposed Sale
152,856$6.86$1.0M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 26, 2026Jun 30 9:05 PMNathan KroekerCCO and Interim CFO
Option Exercise
70,578—141,157(D)

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Jun 26, 2026Jun 30 9:05 PMJoe MastrangeloDirector, Chief Executive Officer
Option Exercise
130,570—261,140(D)

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Jun 12, 2026Jun 15 1:15 PMJoe MastrangeloDirector, Chief Executive Officer
Option Exercise
200,000$1.340(D)

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Jun 5, 2026Jun 9 8:27 PMJeffrey S BornsteinDirector
Grant/Award
24,289—24,289(D)

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Jun 5, 2026Jun 9 8:26 PMJoseph NigroDirector
Grant/Award
24,289—24,289(D)

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Jun 5, 2026Jun 9 8:24 PMJeff McneilDirector
Grant/Award
18,217—18,217(D)

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Jun 5, 2026Jun 9 8:24 PMClaude DembyDirector
Grant/Award
18,217—18,217(D)

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Jun 5, 2026Jun 9 8:23 PMMarian WaltersDirector
Grant/Award
21,253—21,253(D)

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Jun 5, 2026Jun 9 8:22 PMDavid UrbanDirector
Grant/Award
18,217—18,217(D)

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Jun 5, 2026Jun 9 8:22 PMGregory S. NixonDirector
Grant/Award
18,217—18,217(D)

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Jun 5, 2026Jun 9 8:21 PMAlexander DimitriefDirector
Grant/Award
21,253—21,253(D)

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Jun 8, 2026Jun 9 8:19 PMAlessandro LagiChief Financial Officer
Grant/Award
277,773—277,773(D)

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Jun 2, 2026Jun 3 8:55 PMJoseph NigroDirector
Option Exercise
3,565—0(D)

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Jun 2, 2026Jun 3 8:53 PMMarian WaltersDirector
Option Exercise
1,782—0(D)

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May 28, 2026May 29 8:01 PMMarian WaltersDirector
Option Exercise
30,000$1.1835,018(D)

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May 20, 2026May 22 8:02 PMMarian WaltersDirector
Option Exercise
22,319$1.1865,018(D)

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May 19, 2026May 19 11:33 PMJeff McneilDirector
Option Exercise
23,111—0(D)

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May 19, 2026May 19 11:31 PMJeffrey S BornsteinDirector
Option Exercise
30,815—0(D)

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May 19, 2026May 19 11:29 PMClaude DembyDirector
Option Exercise
23,111—0(D)

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May 19, 2026May 19 11:28 PMAlexander DimitriefDirector
Option Exercise
26,963—0(D)

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